From 4e96b065084227f1835e01ef24a9957581daed70 Mon Sep 17 00:00:00 2001
From: Moreno Feltscher <moreno@smartive.ch>
Date: Thu, 9 Apr 2015 09:58:37 +0200
Subject: [PATCH] Throwing exception if template directories are not defined

---
 Templating/Renderer.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Templating/Renderer.php b/Templating/Renderer.php
index adecbd0..3d381d7 100644
--- a/Templating/Renderer.php
+++ b/Templating/Renderer.php
@@ -31,6 +31,8 @@ class Renderer
      * @param string      $fileExtension                File extension for Handlebar files
      * @param array       $templateDirectories          List of directories containing handlebars templates
      * @param boolean     $templateDirectoriesRecursive Whether to include sub directories of template directories
+     *
+     * @throws \InvalidArgumentException If no template directories got defined.
      */
     public function __construct(
         FileLocator $fileLocator,
@@ -38,6 +40,9 @@ public function __construct(
         array $templateDirectories,
         $templateDirectoriesRecursive = true
     ) {
+        if (empty($templateDirectories)) {
+            throw new \InvalidArgumentException('No Handlebars template directories got defined in "smartive_handlebars.templating.template_directories".');
+        }
         $this->fileLocator = $fileLocator;
         if ($templateDirectoriesRecursive) {
             $templateDirectories = $this->getTemplateDirectoriesRecursive($templateDirectories);